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14,448 startups · 29 programs

HelixDB

Active · The fastest & most scalable graph-vector database on the market

WebsiteYC profile

Why it ranks

How the rank works
8signal of 100 · rising 6
  • team of 6Team size · YC's directory+4.4
  • went through YCProgram · this site+4

A sum of public facts, not a judgement and not investment advice.

Competitors

AIInactiveLanternShared: vector database, databases, infrastructureYC W24San FranciscoStartup →AIHegel AIShared: vector database, buildingYC S23New York CityStartup →DataParadeDBShared: databases, infrastructure, vectorYC S23San FranciscoStartup →AIWondersearchShared: vector database, infrastructure, agentYC F26San FranciscoStartup →AICaptainShared: vector database, infrastructure, agentYC W26San FranciscoStartup →OtherPineconeShared: vector databaseStartup →
Companies closest to HelixDB
Company
LanternShared: vector database, databases, infrastructureYC W24InactiveAI, Data, Devtools
Hegel AIShared: vector database, buildingYC S23ActiveAI, Data, Devtools
ParadeDBShared: databases, infrastructure, vectorYC S23ActiveData, Devtools
WondersearchShared: vector database, infrastructure, agentYC F26ActiveAI, Devtools
CaptainShared: vector database, infrastructure, agentYC W26ActiveAI, Data, Devtools
Pineconenot in a program hereShared: vector databaseElsewhereOther

Adjacent

Developer toolsPlanetscaleShared: infrastructure, databaseSPC 2018San FranciscoStartup →AIArtemis SearchShared: vector database, reasonYC S22San FranciscoStartup →AILanceDBShared: vector databaseYC W22San FranciscoStartup →AIEmergentShared: traditional software, replace traditional, fastestYC S24San FranciscoStartup →AIActiveloopShared: vector databaseYC S18San FranciscoStartup →
Companies next to HelixDB
Company
PlanetscaleShared: infrastructure, databaseSPC 2018Not statedDevtools
Artemis SearchShared: vector database, reasonYC S22ActiveAI, Data
LanceDBShared: vector databaseYC W22ActiveAI, Data, Devtools
EmergentShared: traditional software, replace traditional, fastestYC S24ActiveAI, Devtools
ActiveloopShared: vector databaseYC S18ActiveAI, Devtools

Also from X25 in AI

All of X25
AIAttuneFaster builds, zero effort.YC X25San FranciscoStartup →AIAcquiredBlaxelThe infrastructure for autonomous agentsYC X25San FranciscoStartup →AIGolfAgentic AI Security and GovernanceYC X25San FranciscoStartup →AIBoost RoboticsRobots for the inspection and maintenance of data centersYC X25BostonStartup →AICapacitiveThe data gateway for agents.YC X25San FranciscoStartup →AIChironGrammarly for Math ✏️YC X25LondonStartup →
Company
AttuneFaster builds, zero effort.team of 3hiringActiveAI, Devtools
BlaxelThe infrastructure for autonomous agentsteam of 12acquiredAcquiredAI, Devtools
GolfAgentic AI Security and GovernanceActiveAI, Devtools
Boost RoboticsRobots for the inspection and maintenance of data centersteam of 2ActiveAI, Devtools
CapacitiveThe data gateway for agents.team of 2ActiveAI, Devtools
ChironGrammarly for Math ✏️team of 2ActiveAI, Devtools

Founders

  • George CurtisFounder/CEO
  • Xavier CochranFounder

About HelixDB

As AI agents replace traditional software, they need a way to store, recall, and reason over contextual data. HelixDB gives them all of that in one system. We’re building the knowledge infrastructure every AI agent will depend on.

YC batch
X25 · Spring 2025
Status, per YC
Active
Category
AI, Data, Developer tools
Team size
6
Location
London, England, United Kingdom
Founded
2025
Checked
6h ago

YC tags: Developer Tools, Open Source, Infrastructure, AI, Databases

HelixDB in X25: 144 companies, 90% AI

GitHub LinkedIn

HelixDB: questions

Which YC batch was HelixDB in?

HelixDB was in Y Combinator's Spring 2025 batch (X25).

Is HelixDB still active?

Y Combinator lists HelixDB as active.

Who founded HelixDB?

HelixDB's founders, as listed on its YC page: George Curtis (Founder/CEO), Xavier Cochran (Founder).

Where is HelixDB based?

HelixDB lists London, England, United Kingdom as its location on YC's directory.